public class zhi 
{
public static void main(String[] args)
{
	
int k=0;
System.out.print("1");
for(int i=1;i<=100;i++)
{
k=0;
for(int j=2;j<=i;j++)
{
if(i%j==0)
{
k++;

}
}
if(k==1)
{
System.out.print(","+i);
}

}
System.out.print("just for test!!!")
}
System.out.print("just for test!!    !")

zhu panpan
}